OpenTechnical

OT-2026-000084446

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000084446) never changes.

Identity and time

Publication numberOT-2026-000084446 · never reused
Internal UUID01a0ae98-5b63-7ded-8dfe-842d09f4766f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084446
StatusPUBLIC

Content hashes

Canonical textf4004312da540d96680fa9b1a3e6da36d3914d644c2f7a43ac4fc4d129d83c6e
Markdowne7383d592a8f825e43492eaa60c9560fda4a9a1fb542c7ba8b7258ce05394d7e
PDF
Publication page2bbda1c8d680cad1ab8251750e695de12e29b2898473f3f145ae0a983d8589bd
Manifest2a4066205bafcd2fe947a6b2efa901f1bfc0e174716c3475ac5c06b0f4157db8

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureZAlWl9JyOG8sHGhJr7ZLgE3XJBDxQ3pZW/6hySYW1b7KAg/Xia7Z1poXkx02kARCcnsA12fDRRwgWAuvBSuzDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:24.250469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084446
observed 2bbda1c8d680cad1ab8251750e695de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.232390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084446/manifest.json
observed 2a4066205bafcd2fe947a6b2efa901f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.213034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084446/publication.md
observed e7383d592a8f825e43492eaa60c9560f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.193680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084446/publication.txt
observed f4004312da540d96680fa9b1a3e6da36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.